Starbucks calls shifting-color drink a "Unicorn Frappuccino"

It's topped with whipped cream, which is sprinkled with pink and blue powder.

The drink jumps on a social media trend of highly Instagram-able unicorn-themed, rainbow-hued food and beverages. Here's everything you need to know about the insane colorful Unicorn Frappuccino you can get at Starbucks!

Anyway the drink's only available at US stores from Wednesday, April 19, through Sunday, April 23 so get there before Voldemort or whatever.

Starbucks says the specialty item is a mix of mango syrup and "pleasantly sour" blue drizzle. If you're into Sour Patch Kids and take your coffee with five sugars, the Unicorn Frappuccino might be the best thing you've ever tasted.

Unlike the mythical unicorn, this drink is actually real.

The drink changes color and flavors as it's swirled, according to Starbucks. The flavor part might not seem that impressive - a caramel macchiato tastes like espresso until you stir it, after all - but Starbucks claims that the color changes from purple and blue to solid pink, which anyone who's ever mixed paint will tell you is impossible.

But there's more than just the colorful combination to make the drink magical.

Before Starbucks officially announced the drink, there was speculation on the internet that it was coming.

Judging from early photos, the change might not be as stark as Starbucks promises - but the drink is certainly boasting some bold colors.